From: Exploratory spatial data analysis for the identification of risk factors to birth defects
Soil types | High content | Average content | low content |
---|---|---|---|
leached cinnamon soil | Co Pb Cu Ni Cr Zn Mn | As F Hg | Cd |
cinnamon soil | Pb Ni Cr Zn Mn Hg Cd | As Co F Cu | Â |
brown soil | As F Hg Cd | Co Pb Ni Cr Zn Mn | Cu |